misc: update Cargo.toml

Author: Miaxos

Cargo.toml

@@ -1,13 +1,13 @@
 [package]
 name = "async-graphql-extension-apollo-tracing"
-version = "0.1.1"
+version = "0.1.0-beta.0"
 authors = ["Anthony Griffon <[email protected]>"]
 description = "An async_graphql extension to send traces & metrics to Apollo Studio"
 readme = "README.md"
 repository = "https://github.com/Miaxos/async_graphql_apollo_studio_extension"
 documentation = "https://github.com/Miaxos/async_graphql_apollo_studio_extension"
 license = "MIT"
-keywords = ["async_graphql", "futures", "async", "graphql", "apollo", "studio"]
+keywords = ["async_graphql", "async", "graphql", "apollo", "studio"]
 categories = ["network-programming", "asynchronous"]
 edition = "2018"